it is a problem that unlike , japan and the republic of south korea, the obama administration has had a different position in terms of civilian airliners going over that. the problem with the air defense zone that china has asserted is it goes far beyond the normal practice. normally when a civilian airliner goes over in the air defense identification zone, they'll have to collaborate with , in this case, china, if they are in the sovereign territory. if you are landing, china says you have to come through. i personally agree with japan and the republic of korea that china needs to roll back the air defense identification zone over the east china sea. host: how would you grade or rate secretary kerry on how he is administering it? guest: a couple of caveats -- i'm always uncomfortable with grades. they can be kind of flippant. any tech -- any secretary of state, republican and democrat, will enjoy successes and failures. if i have to grade him, i will do it two ways. first, secretary kerry's performance, putting aside the prudence of policies that the president has asked him to push f